docs: add ance section

README.md

@@ -1,8 +1,3 @@
-[![](https://cloud-upyun.ddiu.site/picture/2023/04/15/xAe0dY.png)](https://v2.chatgpt.ddiu.me)
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-> We are working on V2 Version! Preview & more info on https://github.com/ddiu8081/chatgpt-demo/discussions/247.
-
-
 # ChatGPT-API Demo
 
 English | [简体中文](./README.zh-CN.md)
@@ -11,12 +6,18 @@ A demo repo based on [OpenAI GPT-3.5 Turbo API.](https://platform.openai.com/doc
 
 **🍿 Live preview**: https://chatgpt.ddiu.me
 
-**🏖️ V2 Version(Beta)**: https://v2.chatgpt.ddiu.me
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 > ⚠️ Notice: Our API Key limit has been exhausted. So the demo site is not available now.
 
 ![chat-logo](https://cdn.staticaly.com/gh/yzh990918/static@master/chat-logo.webp)
 
+## Introducing `Ance`
+
+Looking for multi-chat, image-generation, and more powerful features? Take a look at our newly launched [Ance](https://github.com/anse-app/anse).
+
+More info on https://github.com/ddiu8081/chatgpt-demo/discussions/247.
+
+[![image](https://user-images.githubusercontent.com/1998168/235048408-ca4015f5-4d3c-4c64-9a6c-9069a89cd23a.png)](https://github.com/anse-app/anse)
+
 ## Running Locally
 
 ### Pre environment